From: Stanislav Fomichev <kernel@fomichev.me>
Date: Sat, 5 Feb 2011 23:05:28 +0000 (+0300)
Subject: cifs: add check for kmalloc in parse_dacl
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=8132b65bc6ce6d9a4baafdfc28c7cd9c258ed6e4;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

cifs: add check for kmalloc in parse_dacl

Exit from parse_dacl if no memory returned from the call to kmalloc.

Signed-off-by: Stanislav Fomichev <kernel@fomichev.me>
Signed-off-by: Steve French <sfrench@us.ibm.com>
---

diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c
index 1e7636b145a8..beeebf194234 100644
--- a/fs/cifs/cifsacl.c
+++ b/fs/cifs/cifsacl.c
@@ -372,6 +372,10 @@ static void parse_dacl(struct cifs_acl *pdacl, char *end_of_acl,
 
 		ppace = kmalloc(num_aces * sizeof(struct cifs_ace *),
 				GFP_KERNEL);
+		if (!ppace) {
+			cERROR(1, "DACL memory allocation error");
+			return;
+		}
 
 		for (i = 0; i < num_aces; ++i) {
 			ppace[i] = (struct cifs_ace *) (acl_base + acl_size);